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100733 Annafalcka (1998 DA1)
Classification: Main-belt Asteroid          SPK-ID: 2100733
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1037866477551056 3.7027e-08  
a 2.297233472304152 1.1769e-08 au
q 2.058811311102883 8.4945e-08 au
i 6.162598335400768 4.2336e-06 deg
node 131.0158479154389 3.8187e-05 deg
peri 356.0282420381316 4.4927e-05 deg
M 208.0357957177187 2.4992e-05 deg
tp 2459737.340076904656
(2022-Jun-06.84007690)
9.0625e-05 TDB
period 1271.762837823842
3.48
9.773e-06
2.676e-08
d
yr
n .2830716461380556 2.1753e-09 deg/d
Q 2.535655633505421 1.299e-08 au
  Orbit Determination Parameters
   # obs. used (total)      440  
   data-arc span      8196 days (22.44 yr)  
   first obs. used      1998-01-18  
   last obs. used      2020-06-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56633  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:33:31  

Additional Information
 Earth MOID = 1.07389 au 
 Jupiter MOID = 2.5008 au 
 T_jup = 3.579 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.82   n/a E2021B55  

100733 Annafalcká           Discovered 1998 Feb. 18 by M. Tichy at Klet.
Anna Falcká (or Anne of the Palatinate, 1329--1353) was the second wife of Roman Emperor and King of Bohemia Charles IV. In 1350 she gave birth to a long-desired son, Wenceslaus, who, unfortunately, died a year later.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2017-01-12Last Updated: 2017-01-17

[ show close-approach data ]
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